Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Workers Compensation Discount [Abstract]

Summary of share-based compensation activity

Common stock option and restricted stock award activity under the Plan was as follows:

			Options and RSAs Outstanding
	Shares Available		Number of		Weighted Average Exercise
	for Grant		Shares		Price Per Share
Balance at December 31, 2014		68,953		241,792	$	25.90
Authorized		170,000		-	$	-
Options granted		(530,813)		530,813	$	5.65
Options forfeited		69,870		(69,870)	$	10.59
Options expired		12,148		(12,148)	$	24.72
Options canceled		320,700		(320,700)	$	12.99
Restricted Stock granted		(39,427)		39,427	$	3.86
Restricted Stock vested		-		(39,427)	$	3.86
Balance at December 31, 2015		71,431		369,887	$	4.64
Authorized		250,000		-	$	-
Options granted		(305,000)		305,000	$	1.41
Options forfeited		153,095		(153,095)	$	3.10
Options expired		5,520		(7,020)	$	34.72
Balance at December 31, 2016		175,046		514,772	$	2.77
Total vested and expected to vest shares (options)				514,772	$	2.77
Total vested shares (options)				181,337	$	4.73

Outstanding options

The following table summarizes information with respect to stock options outstanding at December 31, 2016:

Options Outstanding								Options Vested
				Weighted-						Weighted-
				Average		Weighted-				Average
Exercise				Remaining		Average				Exercise
Price Per		Shares		Contractual		Exercise		Shares		Price Per
Share		Outstanding		Life (Years)		Price		Exercisable		Share
$	1.41		305,000		9.55	$	1.41		30,210	$	1.41
$	3.10		182,528		8.79	$	3.10		123,883	$	3.10
$	5.60		2,500		0.33	$	5.60		2,500	$	5.60
$	11.40		17,674		0.33	$	11.40		17,674	$	11.40
$	30.40		7,070		0.33	$	30.40		7,070	$	30.40
			514,772		8.80	$	2.77		181,337	$	4.73

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The fair value of employee stock options granted was estimated using the following weighted-average assumptions for the twelve months ended December 31:

	2016			2015
Expected volatility		68	%		67	%
Risk free rate		1.18	%		1.41	%
Dividend yield		0	%		0	%
Expected term (in years)		5.70			5.57

Schedule Of Stock Based Compensation Of Employees And Non Employees

Stock-based compensation for employees and non-employees related to options and RSAs recognized:

	For the twelve months ended		For the twelve months ended
	December 31, 2016		December 31, 2015
General and administrative	$	566,677	$	1,147,374